// Notification raised before ADAL accesses the cache.
// This is your chance to update the in-memory copy from the cache, if the in-memory version is stale
void BeforeAccessNotification(TokenCacheNotificationArgs args)
{
try
{
var cache = Redis.Connection.GetDatabase();
var cachedItem = cache.StringGet(cacheId);
if (cachedItem.HasValue)
{
var status = JsonConvert.DeserializeObject <UserTokenCacheItem>(cachedItem);
if ((this.Cache != null) && (status.LastWrite > this.Cache.LastWrite))
{
this.Cache = status;
//var purpose = GetMachineKeyPurpose(Thread.CurrentPrincipal);
var purpose = GetMachineKeyPurpose();
//this.Deserialize((Cache == null) ? null : MachineKey.Unprotect(Cache.cacheBits, purpose));
//this.Deserialize((Cache == null) ? null : AesEncryptionHelper.Decrypt(Cache.cacheBits, purpose));
AesManagedCryptoLib _crypt = new AesManagedCryptoLib();
//this.Deserialize((this.Cache == null) ? null : _crypt.decrypt(this.Cache.CacheBits, purpose, localVector));
this.Deserialize((this.Cache == null) ? null : _crypt.decrypt(this.Cache.CacheBits, purpose, this.Cache.InitializationVector));
}
}
}
catch (Exception ex)
{
Trace.WriteLine("Exception in RedisTokenCache.BeforeAccessNotification: " + ex.Message);
}
}
public void Load()
{
// look up the entry in the cache
var cache = Redis.Connection.GetDatabase();
try
{
var cachedItem = cache.StringGet(cacheId);
if (cachedItem.HasValue)
{
this.Cache = JsonConvert.DeserializeObject <UserTokenCacheItem>(cachedItem);
// ToDo: if the entry in Redis cache is older than 1 hour which is the default validity of AAD access token then kill it.
//var purpose = GetMachineKeyPurpose(Thread.CurrentPrincipal);
var purpose = GetMachineKeyPurpose();
//this.Deserialize((this.Cache == null) ? null : MachineKey.Unprotect(this.Cache.cacheBits, purpose));
//this.Deserialize((this.Cache == null) ? null : AesEncryptionHelper.Decrypt(this.Cache.cacheBits, purpose));
AesManagedCryptoLib _crypt = new AesManagedCryptoLib();
//this.Deserialize((this.Cache == null) ? null : _crypt.decrypt(this.Cache.CacheBits, purpose, localVector));
this.Deserialize((this.Cache == null) ? null : _crypt.decrypt(this.Cache.CacheBits, purpose, this.Cache.InitializationVector));
}
}
catch (Exception ex)
{
Trace.WriteLine("Exception in RedisTokenCache(id): " + ex.Message);
Cache = null;
}
}
